Cooperative avoidance control for UAVs. - Christopher G. Valicka; Dusan M. Stipanovic; Stefan R. Bieniawski; John Vian (ICARCV, 2008)

Control of Multiple UAVs for Persistent Surveillance: Algorithm and Flight Test Results. - Nikhil Nigam; Stefan R. Bieniawski; Ilan Kroo; John Vian (IEEE Trans. Control. Syst. Technol., 2012)